共搜索到11838条信息,每页显示10条信息,共1184页。用时:0小时0分0秒338毫秒
; Kinetics analysis of Ni-TiO2 composite system during... nucleating. Key words: Ni-TiO2 system; kinetics; electro-crystallization; cyclic voltammetry; electrochemical impedance spectroscopy  ......
prolongation of HRT and reduction of substrates concentrations. The pH was adjusted at 7.04-7.65 in the influent wastewater during the recovery phase. 2.4 Nitrogen removal kinetics Many substrate...,microbial structure and process kinetics SONG Yu-xia(宋雨夏)1, 2, 3, M. Ali2, 3, FENG Fan(冯帆)2, 3, CHAI Xi-lin(柴喜林)3, WANG Shuo(王硕)4, WANG Yun-yan(王云燕)2, 3, TANG Chong-jian(唐崇俭)2, 3 1. College of Environmental......
into zero-order kinetics with increasing ZVI amount. Cr(VI) reduction is further carried out under different types of ZVI powders and different size fractions, and the HT250 is selected as a preferable...] FIUZA A, SILVA A, CARVALHO G, DELAFUENTE A V, DELERUE-MATONS C. Heterogeneous kinetics of the reduction of chromium (VI) by elemental iron [J]. Journal of Hazardous Materials, 2010, 175: 1042–1047. [37......
A reduction approach to prepare ZnSe nanocrystallites JIANG Hai-qing(姜海青)1, 2, CHE Jun(车 俊)2, LI Zhi-min(李智敏)1, YAO Xi(姚 熹)2 1. School of Technical Physics, Xidian University, Xi’an 710071, China... nanocrystallites powders were successfully prepared by reduction method with H2SeO4 or H2SeO3 as selenium source and Zn(Ac)2·H2O as zinc source. The reaction mechanism was also discussed through XRD......
......
citrate and Sb(Ⅲ) on the kinetics parameters nα and apparent activation energy of As(Ⅲ) reduction were investigated. The results show that the addition of ammonium citrate reduces the transfer.... Meanwhile, the apparent activation energy reduces. The addition of Sb(Ⅲ) can promote the reduction of arsenic. Key words: electrodeposition; arsine; antimony; ammonium citrate; kinetics Foundation......
......
): 459-462.CHENG Shi-ping, WANG De-zhi, WANG Yi, et al. Study on kinetics of hydrogen reduction of molybdenum oxides[J]. Rare Metal Materials and Engineering, 2007, 26(3): 459-462. [14] 王威岗, 韦杰, 董长青. 木质纤维热解的热重和反应... by thermogravimetry with different heating rates and gas fluxes. Experimental data treated according integral method and the kinetics parameter E was obtained with different gas flux. The results show......
kinetics of metallic iron particles in coal-based direct reduction of pre-oxidized nickel slag[J]. The Chinese Journal of Nonferrous Metals, 2021, 31(8): 2218-2226. DOI: 10.11817/j... Univ Sci Technol Beijing, 2010, 32(4): 413-419. [14] LIU S S, GUO Y F, QIU G Z, et al. Solid-state reduction kinetics and mechanism of pre-oxidized vanadium-titanium magnetite concentrate[J......
Preparation of primary Al-Si alloy from bauxite tailings by carbothermal reduction process YANG Dong(杨 栋), FENG Nai-xiang(冯乃祥), WANG Yao-wu(王耀武), WU Xiao-lei(武小雷) School of Materials... and bituminite content on the preparation of primary Al-Si alloy by carbothermal reduction of bauxite tailings were investigated by XRD,XRF,infrared absorption carbon-sulfur analysis unit and SEM coupled......